[The penalty of progress in food hygiene].
D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D005502:Food; D006506:Hepatitis A / Q000453:epidemiology*; D006801:Humans; D007223:Infant; D011051:Poliomyelitis / Q000453:epidemiology*
La rançon des progrès de l'hygiène alimentaire.